Sutton, P., C. Elvidge, and T. Obremski, 2003. Building and evaluating models to estimate ambient population density. Photogrammetric Engineering and Remote Sensing 69(5): 545-553.
Tierney, K.J., M.K. Lindell, and R.W. Perry, 2001. Facing the Unexpected: Disaster Preparedness and Response in the United States. Washington, D.C.: Joseph Henry Press, 318 pp.
Turner, B.L. II, R.E. Kasperson, P. Matson, J.J. McCarthy, R.W. Corell, L. Christensen, N. Eckley, J.X. Kasperson, A. Luers, M.L. Martello, C. Polsky, A. Pulsipher, and A. Schiller, 2003. Framework for vulnerability analysis in sustainability science. Proceedings of the National Academy of Sciences of the United States of America 100:8074-8079.
UNDP (United Nations Development Programme), 2004. Reducing Disaster Risk: A Challenge for Development. Available online at http://www.undp.org/bcpr/disred/rdr.htm [accessed October 3, 2006].
UNHCR (United Nations High Commissioner for Refugees), 1998. Review of the Mali/Niger Repatriation and Reintegration Programme. Inspection and Evaluation Service. Available online at: http://www.unhcr.org/cgibin/texis/vtx/publ/opendoc.pdf?tbl= RESEARCH&id=3ae6bd488&page=publ [accessed October 4, 2006].
UNHCR, 2006. The 2005 Global Refugee Trends: Statistical overview of populations of refugees, asylum seekers, internally displaced persons, stateless persons, and other persons of concern to UNHCR. Available online at http://www.unhcr.org/statistics/ STATISTICS/4486ceb12.pdf [accessed July 5, 2006].
UNISDR (United Nations/International Strategy for Disaster Reduction), 2004. Living with Risk: A Global Review of Disaster Reduction Initiatives. New York and Geneva: United Nations, 584 pp.
UNISDR, 2006. Hyogo Framework for Action 2005-2015: Building the Resilience of Nations and Communities to Disasters. Available online at http://www.unisdr.org/eng/hfa/ hfa.htm [accessed December 2006].
Van Rooyen, M.J., S. Hansch, D. Curtis, and G. Burnham, 2001. Emerging issues and future needs in humanitarian assistance. Prehospital and Disaster Medicine 16(4):216-222.
Wisner, B., and P.M. Blaikie, 2004. At Risk: Natural Hazards, People’s Vulnerability and Disaster, 2nd edition. Oxford, United Kingdom: Routledge, 464 pp.
Worster, D., 1979. Dust Bowl: The Southern Plains in the 1930s. New York: Oxford University Press, 218 pp.